efficacy
The ability to produce a desired effect under ideal testing conditions.
Dictionary · English 9,481
Vocabulary ranked by real-world frequency — start with the 1,000 most common words. Definitions adapted from Wiktionary (CC BY-SA 4.0), review in progress.
Tiếng Việt English Idioms & phrases →
Frequency: All Top 1,000 1,001–5,000
exaggerated
That has been described as greater than it actually is; abnormally increased or enlarged.
exclusion
The act of excluding or shutting out; removal from consideration or taking part.
Filipino
A citizen or local inhabitant of the Philippines, or descendant of such.
flashing
A sudden blazing or bursting, as of fire or water.
freelance
Someone who sells their services to clients without a long-term employment contract.
gin
A colourless non-aged alcoholic liquor made by distilling fermented grains such as barley, corn, oats or rye with juniper berries; the base for many cocktails.
granting
The act by which something is granted.
greeting
A conventional phrase used to start a letter or conversation or otherwise to acknowledge a person's arrival or presence.
Hawaiian
Descended from the peoples inhabiting the Hawaiian Islands prior to European contact.
honeymoon
The period of time immediately following a marriage.
ignition
The act of igniting.
impaired
Rendered less effective.
investigative
Of or pertaining to investigation or an investigation.
jewel
A precious or semi-precious stone; gem, gemstone.
Jupiter
Synonym of by Jupiter.
Leonardo
A painting by Leonardo da Vinci.
mutually
In the same way, each to the other; reciprocally.
navigate
To plan, control and record the position and course of a vehicle, ship, aircraft, etc., on a journey; to follow a planned course.
obese
Extremely overweight, especially: weighing more than 20% (for men) or 25% (for women) over their conventionally ideal weight determined by height and build; or, having a body mass index over 30 kg/m².
outreach
The act of reaching out.
pandemic
Of a disease: epidemic over a wide geographical area and affecting a large proportion of the population; also, of or pertaining to a disease of this nature.
perimeter
The sum of the distance of all the lengths of the sides of an object.
preacher
Someone who preaches a worldview, philosophy, or religion, especially someone who preaches the gospel and especially a clergyman or clergywoman. In a religious context, usually used only to refer to Protestant Christian clergy.
procurement
The purchasing department of a company.
protector
Someone who protects or guards, by assignment or on their own initiative.
ransom
Money paid for the freeing of a hostage.
reel
A shaky or unsteady gait.
reg
A regular.
rehearsal
The practising of something which is to be performed before an audience, usually to test or improve the interaction between several participating people, or to allow technical adjustments with respect to staging to be done.
reinforce
To strengthen, especially by addition or augmentation.
restart
The act of starting something again.
revive
To cause (a person or animal) to recover from a faint; to cause (a person or animal) to return to a state of consciousness.
rigorous
Showing, causing, or favoring rigour/rigor; scrupulously accurate or strict; thorough.
ringing
The sound of something that rings.
scenery
View, natural features, landscape.
sensory
Of the physical senses or sensation.
sidewalk
A paved footpath located at the side of a road, for the use of pedestrians.
skeptical
Having, or expressing doubt; questioning.
skype
To make (a telephone call) using Skype software.
smoothly
in a smooth manner; smooth
speeding
Travelling very fast; moving at speed.
staple
A town containing merchants who have exclusive right, under royal authority, to purchase or produce certain goods for export; also, the body of such merchants seen as a group.
stirring
invigorating or inspiring
strand
The shore or beach of the sea or ocean.
stunned
Unable to act or respond; dazed; shocked.
suppression
The act or instance of suppressing.
sushi
A Japanese dish made of small portions of sticky white rice flavored with vinegar, usually wrapped in seaweed and filled or topped with fish, vegetables or meat.
suspend
To halt something temporarily.
swelling
The state of being swollen.
terminology
A treatise on terms, especially those used in a specialised field.
theatrical
Of or relating to the theatre.
timer
Agent noun of time: someone or something that times. — A device used to measure amounts of time.
trustee
A person to whom property is legally committed in trust, to be applied either for the benefit of specified individuals (beneficiaries), or for public uses; one who is intrusted with property for the benefit of another.
turnout
The act of coming forth.
tying
Action of the verb to tie; ligature.
unanimous
Based on unanimity, assent or agreement.
unpredictable
Unable to be predicted.
validation
The act of validating something.
vengeance
Revenge taken for an insult, injury, or other wrong.
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